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Cyrtodactylus sworderi (SMITH, 1925)

IUCN Red List - Cyrtodactylus sworderi - Data Deficient, DD
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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Johore Bow-fingered Gecko, Kota-Tinggi Forest Gecko, Sworder’s Bent-toed Gecko
G: Kota-Tinggi-Bogenfingergecko 
SynonymGymnodactylus sworderi SMITH 1925: 87
Gymnodactylus sworderi SMITH 1930: 12
Gymnodactylus sworderi — WERMUTH 1965: 67
Cyrtodactylus (Cyrtodactylus) sworderi — RÖSLER 2000: 67
Cyrtodactylus sworderi — GRISMER 2005
Cyrtodactylus sworderi — GRISMER 2011
Cyrtodactylus sworderi — GRISMER & QUAH 2019 
DistributionMalaysia

Type locality: 9 miles du enorth of Kota Tinggi, Johore.  
Reproductionoviparous 
TypesHolotype: BMNH 1946.8.23.24 
DiagnosisDiagnosis: Cyrtodactylus sworderi can be distinguished from all other Sundaland species by having the following suite of character states: 69–80 mm SVL; large, conical, keeled, body tubercles; tubercles present on top of head, occiput, nape, and limbs, and extend posteriorly beyond base of tail; 42–49 mid-ventral longitudinal scale rows; no transversely enlarged median, subcaudal scales; proximal subdigital lamellae transversely expanded; 18 subdigital lamellae on fourth toe; smooth transition between posterior and ventral femoral scales; no enlarged femoral scales; no femoral pores; preanal groove absent; triangular series of enlarged preanal scales with 8 or 9 preanal pores in males; banding pattern on body absent; dark brown ground colour on dorsum overlain with a series of longitudinally arranged yellow spots. 
CommentDistribution: erroneously reported from India. 
EtymologyNamed after the collector of the types, Mr. Hope Sworder. 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Grismer L. Lee 2005. New species of Bent-toed Gecko (Cyrtodactylus Gray 1827) from Pulau Aur, Johor, West Malaysia. Journal of Herpetology 39 (3):424-432. - get paper here
  • Grismer L. Lee & Leong, T.M. 2005. New Species of Cyrtodactylus (Squamata: Gekkonidae) from Southern Peninsular Malaysia. Journal of Herpetology 39 (4): 584-591 - get paper here
  • Grismer, L. L., Wood, P. L., Poyarkov, N. A., Le, M. D., Kraus, F., Agarwal, I., ... & Grismer, J. L. 2021. Phylogenetic partitioning of the third-largest vertebrate genus in the world, Cyrtodactylus Gray, 1827 (Reptilia; Squamata; Gekkonidae) and its relevance to taxonomy and conservation. Vertebrate Zoology 71: 101–154 - get paper here
  • GRISMER, L. LEE; & EVAN S. H. QUAH 2019. An updated and annotated checklist of the lizards of Peninsular Malaysia, Singapore, and their adjacent archipelagos. Zootaxa 4545 (2): 230–248 - get paper here
  • GRISMER, L. LEE; DAICUS M. BELABUT,, EVAN S. H. QUAH, CHAN KIN ONN, PERRY L. WOOD, JR. & ROSLI HASIM 2014. A new species of karst forest-adapted Bent-toed Gecko (genus Cyrtodactylus Gray, 1827) belonging to the C. sworderi complex from a threatened karst forest in Perak, Peninsular Malaysia. Zootaxa 3755 (5): 434–446 - get paper here
  • Grismer, L.L. 2011. Lizards of Peninsular Malaysia, Singapore and their adjacent archipelagos. Edition Chimaira, Frankfurt, 728 pp. [review in Herp. Rev. 43: 155] - get paper here
  • Grismer, L.L.; P. L. WOOD, JR., SHAHRUL ANUAR, H. R. DAVIS, A. J. COBOS & M. L. MURDOCH 2016. A new species of karst forest Bent-toed Gecko (genus Cyrtodactylus Gray) not yet threatened by foreign cement companies and a summary of Peninsular Malaysia’s endemic karst forest herpetofauna and the need for its conservation. Zootaxa 4061 (1): 001–017 - get paper here
  • Grismer, L.L.; SHAHRUL ANUAR, MOHD ABDUL MUIN, EVAN S. H. QUAH & PERRY L. WOOD, JR. 2013. Phylogenetic relationships and description of a new upland species of Bent-toed Gecko (Cyrtodactylus Gray, 1827) of the C. sworderi complex from northeastern Peninsular Malaysia. Zootaxa 3616 (3): 239–252 - get paper here
  • Grismer, L.L.; Wood, P.L. & Youmans, T.M. 2007. Redescription of the gekkonid lizard Cyrtodactylus sworderi (SMITH 1925) from Southern Peninsular Malaysia. Hamadryad 31 (2): 250-257 - get paper here
  • Linkem, Charles W.; Jimmy A. McGuire, Christopher J. Hayden, Mohammed Iqbal Setiadi, David P. Bickford, and Rafe M. Brown 2008. A New Species of Bent-Toe Gecko (Gekkonidae: Cyrtodactylus) from Sulawesi Island, Eastern Indonesia. Herpetologica 64 (2): 224-234 - get paper here
  • Onn, Chan Kin & Norhayati Ahmad 2010. A new insular species of Cyrtodactylus (Squamata: Gekkonidae) from northeastern Peninsular Malaysia, Malaysia. Zootaxa 2389: 47–56 - get paper here
  • Rösler, H. & Glaw, F. 2008. A new species of Cyrtodactylus Gray, 1827 (Squamata: Gekkonidae) from Malaysia including a literature survey of mensural and meristic data in the genus. Zootaxa 1729: 8–22 - get paper here
  • Smith, M.A. 1925. A new Ground-Gecko (Gymnodactylus) from the Malay Peninsula. J. Malay. Br. Roy. As. Soc., Singapore, 3 (1): 87.
  • Smith, M.A. 1930. The Reptilia and Amphibia of the Malay Peninsula fromt he Isthmus of Kra to Singapore, including the adjacent Islands. A Supplement to G.A. Boulenger’s Reptilia and Batrachia 1912. Bull. Raffles Mus. No. 3: 1-149
  • Welton, Luke J.; Cameron D. Siler, Arvin Diesmos, and Rafe M. Brown 2009. A NEW BENT-TOED GECKO (GENUS CYRTODACTYLUS) FROM SOUTHERN PALAWAN ISLAND, PHILIPPINES AND CLARIFICATION OF THE TAXONOMIC STATUS OF C. ANNULATUS. Herpetologica 65 (3): 328-343 - get paper here
  • Youmans, Timothy M. & L. Lee Grismer 2006. A new species of Cyrtodactylus (Reptilia: Squamata: Gekkonidae) from the Seribuat Archipelago, West Malaysia. Herpetological Natural History 10 (1): 61-70
 
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